On Mon, 10 Jul 2000, bill t wrote:
>
> Here is the situation.
>
> I am building a firewall with an old 486 33 Mhz.
> Motherboard = ???
> ram = 20 M
> hd = 800 M
> 2 3com 3c509 ethernet cards
> 1 56 k zircon internal modem
>
> The problem.
> The network hangs.
> if one ethernet card is started I can ping the test machine easily. When the
> second is turned on everything freezes.
>
> Questions
>
> Has anyone seen this before?
> Is there a fix?
Yes. I had the EXACT same problem. Your 3c509's are defaulting to IRQ 10
since they are PnP. My solution was to but a jumpered SMC card for $5 and
set it's IRQ to something other that 10. The remaining 3com will work
fine. The 3coms will chose IRQ 10 regardless of any software settings.
hope this helps...
> For the record I haven't gone through the howto networking on this yet but
> plan to download the most recent.
>
> Any help would be appriciated
>
> Thanks,
> Bill
>
>
>
>
>
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